[Indoor plants](https://dunger.ua/en/blog/categories/indoor-plants) # How often should you water a moth orchid? Published 2026-11-08 Updated 2026-11-08 To read 7 min Check moisture at the centre of the pot, adjust for bark or moss and learn how to let excess water drain away. Water a moth orchid when the potting medium near the centre of its container has almost dried. Lift the inner pot out of its cover, check the bark or moss low down, and compare the pot's weight with its weight just after watering. If the centre is still wet, leave it and check again later. When it is ready, wet the medium evenly and let the excess drain completely. This guide covers common indoor Phalaenopsis grown in a pot with drainage holes. Identify the plant before using the same routine for a different orchid. ## Check the pot before you water Start where the roots grow. The bark chips at the surface can look pale and dry while the lower half of the pot is still moist. Lift the same inner pot without its decorative cover each time. After a normal watering, learn how heavy it feels once the free water has stopped draining. Compare that weight with the weight at your next check. Use the same plant for both observations. A large pot of coarse bark and a small pot packed with moss can feel different even when both are still moist around the roots. In a clear pot, look low down for darker patches of medium, droplets on the inner wall and changes in the roots that touch it. Many exposed roots turn greener when wet and silver again as they dry. Air roots above the pot can dry much faster than the centre. Treat root colour as one clue and use it alongside the weight of the pot and the condition of the medium. An opaque pot can also work if it drains freely and you have a way to assess moisture. Lift it and look at the growing medium you can see through the bottom openings. Avoid pushing a stick or finger through a mass of live roots. If the pot feels nearly as heavy as it did after draining or you can see a wet patch, leave it for now. The difference in weight becomes easier to recognise after you have compared a few watering cycles. ### Two orchids on the same windowsill One pot contains coarse bark and stands in the open. The other has compact moss and sits in a deep cover pot. If the first is light and nearly dry but the second is wet below, water the first and check the second again later. You can inspect both on the same day and decide separately. ## How to water a Phalaenopsis in bark - Remove the inner container from its decorative cover and check the drainage openings. Pour away any water left in the cover. - Hold the pot over the sink. Pour room-temperature water over the surface of the medium, directing it away from the centre where the leaves meet. - If water races through coarse bark and leaves dry patches behind, pause and let the bark take up some moisture. Pour slowly again from another side while keeping the drain holes open. - Let the excess run out. Blot any droplets sitting between the leaves. When the pot stops dripping, put it back in the empty cover. Watch where the water goes. If it leaves through one channel at the edge and the centre stays dry, change the direction and speed of the stream. A mix that becomes very heavy immediately and stays wet for a long time needs a different assessment. Check the medium and how much air can reach the roots before adding more water. See the guide to [caring for an orchid at home](https://dunger.ua/en/blog/orchid-care-at-home) for the broader decisions about potting and the growing location. ## Adjust for moss and mixed media Sphagnum holds water, especially when packed tightly in a small plastic pot. Check the centre and lower part before adding water. When they are nearly dry, wet the medium evenly and allow it to drain. Keep the base of the crown clear of wet surface moss. A stream of warm air may dry the top while the lower part remains moist. On a new orchid, the pot may show bark at the edge and a wetter core around the roots. Look from the side and below before you disturb the root ball. If different parts dry at different rates, use the slower part as a cue to check again. If the outer bark dries early in a mixed medium, watering by that layer alone may keep the centre wet for too long. After repotting, start with fresh observations. Coarser bark, a change in pot size and a different amount of living root all affect how the pot holds moisture. Notice when it becomes lighter and look at the medium close to the lower roots. If fresh bark sheds water quickly, aim for even wetting during one session before deciding the plant needs more frequent watering. ## Changes during heating season and summer In a Ukrainian flat the same windowsill can feel warm above a radiator and cold close to the glass. Temperature, light and airflow affect drying. When the heating comes on after a cool spell, inspect the pot more often until you understand how it responds. On cool overcast days the centre may stay moist longer. Avoid leaving the wet pot in a stream of cold air from a frequently opened window. In summer, check the pot more frequently after moving it nearer a brighter window or starting the air conditioning. A drier surface cannot tell you by itself how much moisture the roots have. Compare the lower roots and weight with the state of the medium. If the location, pot cover and potting mix have all changed together, make a few checks in succession before asking someone else to water it. ## Look at the roots when leaves wrinkle Soft or wrinkled leaves can mean that the plant has too little water or that damaged roots in a wet mix cannot take it up. Look at the pot before watering again. If the pot is light, the mix is almost dry and the roots are firm, check whether the last watering reached the entire pot. If the pot is heavy and some roots are dark and soft or hollow, examine drainage and the condition of the medium. Consider the firmness of the roots alongside their colour. Take note if bark has broken down into small particles and collected at the bottom, or if the cover pot holds water each time. Extra watering will not restore damaged roots. Correct the source of standing water. If the plant continues to decline, check the root ball and choose a suitable [open orchid mix for repotting](https://dunger.ua/en/blog/orchid-growing-media). An occasional oldest leaf can yellow gradually. Changes in several leaves deserve a closer look at the roots and growing conditions. ## Make the routine easy to hand over Before leaving the plant with someone else, show them how to lift the inner pot and where to empty any drainage water. Leave a note that describes both the wet state and the nearly dry state. Ask them to check each pot on its own. If buying a new cover, choose one from which you can lift the pot easily, so you can empty it and see whether the bottom is dry. When bringing a plant home, check the medium before watering and remove any wrapping that covers the holes. If buds fall after a move, consider the cold on the journey, the change in light and drafts as well as the pot's moisture. If a pool forms after the inner pot goes back into a dry cover, it was still draining. Leave it over the sink for longer next time or empty the cover again before putting it back in its usual place. ## Root feeding for ficus and dracaena  ### [Complex fertilizer for house plants](https://dunger.ua/en/mineral-fertilizers/small-packaging/for-landscape-design/16-complex-fertilizer-for-house-plants) If you also grow a ficus or dracaena, this concentrate is an option for their separate root feeding. Check the plant's condition and the full directions on the product page. The 0.5 L bottle contains concentrate for dilution. Prepare the orchid's next watering separately. [Plan a growing area in My Garden](https://dunger.ua/en/my-garden) ## Frequently asked questions ### A weekly check can be useful. Water only once the centre is nearly dry. After a change in position, pot, medium or heating, check more often until you learn how quickly the pot dries. ### ### ### ## Rate this article No ratings yet. Be the first! Rate this article ## Discussion(0) This discussion is shared across all article languages. 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